State Route 280 SB over Hayne Road
Fair Condition57 years old53,500 vehicles/day
Location
| State | California |
| County | San Mateo |
| Location | 04-sm-280-r14.22-hil |
| Carries | State Route 280 SB |
| Crosses | Hayne Road |
| Coordinates | 37.54717, -122.37247 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 107.9 ft (32.9 m) |
| Max Span | 105.6 ft (32.2 m) |
| Deck Width | 69.6 ft (21.2 m) |
| Deck Area | 697.5 sq m |
| Main Spans | 1 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 53,500 (1998) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 35 0210L |